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-rw-r--r--include/linux/spi/ads7846.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index 95d36bf..92bd083 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -48,7 +48,7 @@ struct ads7846_platform_data {
* state if get_pendown_state == NULL
*/
int (*get_pendown_state)(void);
- int (*filter_init) (struct ads7846_platform_data *pdata,
+ int (*filter_init) (const struct ads7846_platform_data *pdata,
void **filter_data);
int (*filter) (void *filter_data, int data_idx, int *val);
void (*filter_cleanup)(void *filter_data);
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